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Experiment to Investigate the Effect of Temperature on the Rate of Photosynthesis in Elodea.
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Phil Cooper 02.08.02 Experiment to Investigate the Effect of Temperature on the Rate of Photosynthesis in Elodea Aim The aim of this experiment is to investigate the effect of temperature on the rate of photosynthesis in Elodea (Canadian pondweed). Introduction Elodea is native to North America and is naturalized in Australia, Asia and Europe. It grows completely submerged beneath the water. It has multi-branched, slightly brittle stems that are clothed with whorls of sessile, medium green, pointed leaves. Elodea grows better in cooler water. In temperatures above 70º F, it becomes spindly. This plant can be grown under 8 to 10 feet of water and will easily reach the surface of the average water garden. This plant derives most of its nourishment from the water through its leaves; its roots serve mainly to anchor it to the bottom, therefore, they may be planted in sand or pea gravel as well as soil. They may be anchored down...
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